List of tests to investigate crank oscillations, camwheel wear, and rattles on Wraith III and Bentley II models.
| Identifier | ExFiles\Box 7\8\ X 607 Camshaft-page32 | |
| Date | 12th April 1938 | |
| -2- 12th. April 1938. Tests will include :- (a) Comparison of crank oscillations also camwheels on Wraith III and Bentley II or 25/30. (b) Trial of new camwheel material to reduce wear. (c) By timing of crank oscillation peaks if there is any register on the six bad patches of wear on the camwheel. (d) Whether the rattle is between the crank pinion and the cam-wheel or the camwheel and the dynamo pinion. Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} | ||
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).